Which number line represents the solution set for the inequality -1/2x >= 4​

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

If set d is not the empty set but is a subset of set e, then which of the following is true? d ∩ e = d d ∩ e = e d ∩ e = ∅

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates